I have two questions.
1. When running the Trans-log SFA technique, is it necessary to carry out unit root tests?
2. What are the recommended diagnostic tests for SFA?
This article at RG maybe useful.
"Stochastic Frontier Analysis and Efficiency Estimation"
https://www.researchgate.net/publication/226451530_Stochastic_Frontier_Analysis_and_Efficiency_Estimation
Thank you, Proloy.
You can also view this article in stata journal for more concern!
DOI: 10.1177/1536867X1301300404
Thank you Mwoya Byaro
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